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/* Definition of the worker thread instance (wti) class.
*
* Copyright 2008-2012 Adiscon GmbH.
*
* This file is part of the rsyslog runtime library.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WTI_H_INCLUDED
#define WTI_H_INCLUDED
#include <pthread.h>
#include "wtp.h"
#include "obj.h"
/* the worker thread instance class */
typedef struct wti_s {
BEGINobjInstance;
pthread_t thrdID; /* thread ID */
qWrkCmd_t tCurrCmd; /* current command to be carried out by worker */
obj_t *pUsrp; /* pointer to an object meaningful for current user pointer (e.g. queue pUsr data elemt) */
wtp_t *pWtp; /* my worker thread pool (important if only the work thread instance is passed! */
pthread_cond_t condExitDone; /* signaled when the thread exit is done (once per thread existance) */
pthread_mutex_t mut;
bool bShutdownRqtd; /* shutdown for this thread requested? 0 - no , 1 - yes */
uchar *pszDbgHdr; /* header string for debug messages */
DEF_ATOMIC_HELPER_MUT(mutCurrCmd);
} wti_t;
/* some symbolic constants for easier reference */
/* prototypes */
rsRetVal wtiConstruct(wti_t **ppThis);
rsRetVal wtiConstructFinalize(wti_t *pThis);
rsRetVal wtiDestruct(wti_t **ppThis);
rsRetVal wtiWorker(wti_t *pThis);
rsRetVal wtiProcessThrdChanges(wti_t *pThis, int bLockMutex);
rsRetVal wtiSetDbgHdr(wti_t *pThis, uchar *pszMsg, size_t lenMsg);
rsRetVal wtiSetState(wti_t *pThis, qWrkCmd_t tCmd, int bActiveOnly, int bLockMutex);
rsRetVal wtiJoinThrd(wti_t *pThis);
rsRetVal wtiCancelThrd(wti_t *pThis);
qWrkCmd_t wtiGetState(wti_t *pThis, int bLockMutex);
PROTOTYPEObjClassInit(wti);
PROTOTYPEpropSetMeth(wti, pszDbgHdr, uchar*);
PROTOTYPEpropSetMeth(wti, pWtp, wtp_t*);
#endif /* #ifndef WTI_H_INCLUDED */
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